488556978 has 32 divisors (see below), whose sum is σ = 1202603136. Its totient is φ = 128850048.

The previous prime is 488556977. The next prime is 488556983. The reversal of 488556978 is 879655884.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (488556977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446851 + ... + 447942.

It is an arithmetic number, because the mean of its divisors is an integer number (37581348).

Almost surely, 2^488556978 is an apocalyptic number.

488556978 is an abundant number, since it is smaller than the sum of its proper divisors (714046158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488556978 is a wasteful number, since it uses less digits than its factorization.

488556978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894818.

The product of its digits is 19353600, while the sum is 60.

The square root of 488556978 is about 22103.3250439838. The cubic root of 488556978 is about 787.5988503780.

The spelling of 488556978 in words is "four hundred eighty-eight million, five hundred fifty-six thousand, nine hundred seventy-eight".